Well, without more context, it's hard to say precisely. However, if it's based on a true story, perhaps Irena's vow was related to standing up for justice. Maybe she vowed to protect the rights of a certain group of people who were being oppressed. It could be that she made a promise to herself to make a change in her community or in a larger society.
I'm not sure specifically which 'Irena's vow' you're referring to. There could be many stories with a character named Irena making a vow. It might be about a personal commitment she made in a difficult situation, like helping others during a war or in a time of social unrest.
Since we don't have much information about this 'Irena's vow based on true story', it could be a vow made in the face of great adversity. For example, Irena could have vowed to keep a secret that would save someone's life. In a true - story setting, this might be related to a historical event where secrecy was crucial. It could also be a vow of loyalty to a cause, like fighting for the environment or for the betterment of children's lives. Maybe she witnessed something that made her take this vow, and the story is about how she fulfilled or struggled to fulfill it.
If you want the clearest chapter reference, go to Chapter 118. Early on, At 8 in the morning, several guests appeared on time next to the...; later, the chapter leans on Seeing the five individuals walking together in unison, Director Sun was....
If you want the clearest chapter reference, go to Chapter 128. Early on, Still hungover, Huo Ziyang had just awakened from a blurry dream when his...; later, the chapter leans on He clicked his tongue in annoyance and picked up the phone..
The best chapter pointer here is Chapter 154, "He Came, Bringing with Him the Bastard Game". It opens with Hahaha, I'm dying of laughter, Lili, do you really have to be so blunt?"... and closes on Helplessly, Director Sun could only grit his teeth and add another 5....
Look to Chapter 97 for the clearest answer. It begins with Suddenly, Jiang Li's livestream room was packed with people, and the..., keeps building through [I came from Weibo's trending topics, is Master Jiang really that awesome?, and lands on And you believe what she says?.
Chapter 134 is the strongest chapter-level answer because it starts from After a brief noon rest, the production team was up to their antics again. and follows through on [Are you kidding me, is Jiang Li putting on an act again?.
Look to Chapter 109 for the clearest answer. It begins with And another thing," Jiang Li said, taking out a tissue to wipe her lips,..., keeps building through The next time we have a meal, don't try to chat with me unless you're fine..., and lands on [You're indeed more likable than me, the type.
Look to Chapter 138 for the clearest answer. It begins with Is there such a good deal?, keeps building through Qi Tianyu quickly nodded in agreement and knelt down to start helping..., and lands on Could it be that the poison also had a side effect of making a person more....
Look to Chapter 150 for the clearest answer. It begins with Upon hearing the first part of Jiang Li's words, Zhang Cheng dismissed..., keeps building through After all, that information could be found online., and lands on He spent the last few days visiting various renowned doctors, while.
A practical answer is Chapter 129, because it turns the idea into a concrete scene. The chapter opens with When they saw that the live chat was full of praise for Jiang Li, those..., adds pressure through After a morning's labor, he hadn't planted more than the chicken had..., and ends on With.
A practical answer is Chapter 137, because it turns the idea into a concrete scene. The chapter opens with Jiang Li personally went to Lai Fu's tomb and performed a small ritual., adds pressure through You help me with this, and I can share some with you;