Ma's younger sister, Phyllis Jean, pays an unannounced visit to Strokers.
An unassuming ex-hippie named Ace comes back into Ma’s life 30 years after he abruptly broke off their relationship. Ace wants to rekindle their relationship, but there’s more to his story than he’s letting on. Meanwhile, Rick and Lena’s trip to the Republic of Texas Biker Rally in Austin is interrupted by dramatic news from home.
Rick decides to recreate the hippie music-fest Woodstock, so Lena talks her skeptical dad into booking online singing sensation Daphne Slayer to headline the event.
Rick organizes a Texas Hold 'Em Poker Tournament at Strokers, with players vying for t-shirts, beer coozies and other prizes.
After another crazy summer at Strokers, Rick realizes he's not getting any younger.