Walden buys Charlie's house and hires Berta as his live-in housekeeper, forcing Alan to move back in with his mom. However, Alan sees an opportunity to come back when Walden asks for advice about getting his wife back.
Walden hires Evelyn as his interior decorator, but Alan is convinced that she just wants to take advantage of him sexually. Meanwhile, Alan inherits Charlie's journal, and Jake has a crush on his tutor, but she has a crush on Walden.
Zoe is upset when she finds out that Bridget is a business partner in Walden's latest venture, while Alan and Lyndsey have an awkward dinner with their moms, who are now lovers and are planning to move in together.