Kerstin Meineke has always known she's bisexual, and reconnecting with a former classmate and declared lesbian makes her ponder the what-ifs of her own choices. Kerstin's adult son has moved out and her marriage is in a rut, so when her mom dies, Kerstin fulfills her last wish and travels to the US to meet her biological father. Finally finished with veterinary college, Sara Peterson decides the next step is to find her perfect life partner. Online Sara locates a candidate who meets all her criteria, but when their in-person meeting is a disaster, she convinces herself to stick to loving animals. It's March 2020, and both Kerstin's and Sara's lives grind to a halt once COVID hits. The ever-practical Sara invites her new "sister" Kerstin to stay with the family, never mind that her mother resents Kerstin, the daughter from a previous marriage her husband failed to mention. Things quickly become tense. Gorgeous and brilliant, Sara possesses a quirkiness which intrigues Kerstin, and she falls for Sara practically at first sight. Sara's rational world is turned upside down when she realizes the feeling is mutual. Kerstin and Sara struggle to do the right thing, but boundaries are shattered when passion overtakes them. Too soon, Kerstin's vacation ends and she knows their goodbye must be forever. Sensible Sara comes to the same conclusion. But what if theirs is the once-in-a-lifetime love they both long for?