Moritz struggles with the secrets he's been keeping from Lisa. Dan must think quickly under pressure. Lenny and Kira grow closer.

Inspired by a career test, Moritz embraces his role as CEO, but loses his cool when Lenny wants Kira to join the team.

After a dangerous stand-off, the guys look for a way to convert their bitcoins to cash Moritz's many lies begin to catch up with him.

Moritz confides in Lisa, who tells him to clean up his act. An attractive offer from Goodtimes tests his loyalty to Lenny and Dan.

The rivalry between the guys increases; at a party in Rotterdam, Moritz receives a rude awakening and attempts to warn his friends.

Under pressure from Goodtimes, Mortiz races to rebuild MyDrugs during a school trip to the woods, but code bugs and allergies derail his process.

Lenny helps Mortiz with the site on the condition that they keep their collaboration a secret. Meanwhile, Jens frets about his son's future.

Moritz hires a high-priced business consultant; Kira and Dan come up with new ways to raise money for Lenny's medical treatment.

The guys take a road trip to Rotterdam; Marie asks Lisa to keep an eye on her brother; when Mortiz crosses a line, Dan does damage control.

To celebrate the end of the Abitur exams, the students throw a costume party at school -- and things get a little out of control.

A high-stakes situation leaves the friends scrambling to figure out their next move.