What is a synopsis for always sunny season thirteen?

Season 13 of "It's Always Sunny in Philadelphia" consists of 10 episodes. The gang continues to navigate their outrageous lives in the city of Philadelphia. In this season, they pursue a new business venture by starting a support group for people who have been wronged, attend a food and wine festival, and participate in a charity event where they raise money for their favorite local bar. Throughout the season, they also deal with personal issues and their ever-evolving relationships with each other.