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

As MARS starts working on their new single, Jun seems intent on keeping Thame and Po apart. The band runs into an unforeseen problem.

After their recent setback, MARS scrambles to come up with a new song on a tight deadline. But can Thame and Jun overcome their rift and work together?

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.

When a new crisis threatens to ruin the reunion, MARS tries to turn things around. Thame and Po's secret relationship becomes even riskier to maintain.