As their Mexican vacation continues, Phaedra discovers Apollo having a private post-midnight moment with Kenya and confronts them. Apollo makes a surprising decision on whether to stand by his wife. In her continued quest to clear the air with the group, Kenya decides to "re-do" NeNe's messy Pillow Talk event, and stunning opinions on cheating come to light. As the men retreat for some quality time alone, Gregg reveals a grudge he's been quietly holding against Peter -- causing a shocking confrontation. Once the women join the fray, NeNe enters into another heated argument with Peter.