"Is there something wrong?" Howard pays more attention to Carla Yu on top of him while he's on the phone with Alim Roanoke.
"I just heard from Giant about your plan with that brat. Let me know if you want to punish me for interrupting your grand scheme. I won't have a word of complaint about what you're going to do." Alim Roanoke said on the phone.
From what he said, it seems that only Donald Mckenzie and Howard knew about what they had in store for Zhang Qin Feng. And since it wasn't revealed to the others, it was not weird for Alim Roanoke to hear nothing about this.
This indirectly justifies Alim Roanoke's anger when his partner, Lady, is captured by Hu-Guo-Jun while spying on the Tianhe Special Squadron's operation. Furthermore, the intimate relationship between him and Elisha Stone, Aka Lady, wasn't a secret amongst the member of Horus Eye Mercenary.