Mariah plans her upcoming nuptials and the launch of her world tour; she must race the clock to showtime and entrust the tour at the hands of her new manager.

Mariah continues touring as she tries to be the best mother to her twins; a disagreement erupts between performers and Mariah gets pulled into the middle.

Mariah must win back her audience when a time zone change goes unnoticed; former employees leak information about Stella to the press; Mariah's hairstylist makes a costly mistake; Stella must bring back Danielle, Mariah's former hairdresser.

Mariah makes special memories for her kids; Molly continues to please her tough boss, Stella; Tanaka lights a match.

Mariah spends more quality time with her road family; Tanaka struggles to keep his feelings platonic; Tanaka's moment becomes jeopardised when he suffers from an unexpected injury.

The loss of Prince leaves Mariah devastated moments before a Paris show; when another dancer gets injured, Mariah starts to feel the need to simplify the show; Mariah's fiancé, James, comes to visit.