Southern matriarch Madea has a lot on her plate. Her nieces, Vanessa and Lisa, have relationship troubles - Vanessa moves into Madea's house with her 2 young children and Lisa is engaged to a controlling man that her mother set her up with. In addition, Madea has just been court-ordered to become the guardian of Nikki, a rebellious runaway teenager. Madea must keep the peace and her family together while simultaneously planning her clan's reunion.
Party Boat focuses on Max, who is throwing a 25th birthday party for his best friend Kiley. When Max finds out Kiley's boyfriend Greg plans to propose, he embarks on an adventure to win Kiley's heart and throw his greatest party ever.