Reeling from a breakup, Po lands a job filming a documentary for the famous T-pop group MARS but gets off to a bad start with their brash leader Thame.

With Thame's impending departure, Po encourages him to open up to the rest of the band, leading to an unexpected plea for help.

MARS finally launches their new single, but will it top the charts? A movie date at Po's place leads to a romantic milestone for him and Thame.

After learning the truth about Pepper's recent ordeal, Po reconsiders his romance with Thame. Later, the group faces difficult news about their careers.

Po runs into a familiar face from his past. Later, he sets out on a new mission after discovering the message that Thame left for him.