On New Year's Eve, Lisi works at a posh party hosted by Vanessa, the rich girl she holds responsible for her brother's tragic death a year earlier.

At a champagne-soaked brunch, Lisi learns a scandalous secret — and scores an invite for a spa day. Kosh tries to get back into Vanessa's good graces.

Lisi goes to a snowy photo shoot with Vanessa. Dominik faces pressure to figure out his future. On a downward spiral, Kosh winds up at Hans' farm.

As the friends face the aftermath of a harrowing night, Lisi navigates a tricky situation — and comes to a startling realization about the past.