Four college friends from Hoboken, NJ exchange anonymous tough love letters that put their friendships to the test. For one week, they must follow whatever their letters say as it will ultimately bring the group closer together or tear them apart.

Four friends from the Los Angeles area write each other anonymous letters that outline what action they could take to improve their lives. The ladies struggle with indecision, laziness, social-media obsession and the ability to let go of old belongings.

Four Hollywood Hills friends exchange anonymous letters that dole out tough love in hopes of improving each other's lives.