For some reason, Clark has woken up and relived the same monotonous Monday 309 times. Until Day 310 turns out to be…different. Suddenly, his usual torturous math class is interrupted by an anomaly—a boy he’s never seen before in all his previous Mondays. When shy, reserved Clark decides to throw caution to the wind and join effusive and effervescent Beau on a series of “errands” across the Windy City, he never imagines that anything will really change, because nothing has in such a long time. And he definitely doesn’t expect to fall this hard or this fast for someone in just one day.

Esta is a time traveling thief in a modern-day New York where magic is all but extinct. She has been raised to steal magical artifacts from the Order that created the brink, a dark energy barrier that confines rare magic-users to Manhattan. Her mission? Travel to 1902 to steal an ancient book containing the secrets of the Order (and the Brink) before the Magician can destroy it.

Tamar is a musician, a warrior, and a survivor. Fayrd is a pioneer, a hustler, and a hopeless romantic. Together, the two have lived a thousand lives, seen the world build itself up from nothing, and watched humanity take to the stars. But in each life, in each timeline, one thing remains the same: their love and their fight to be together.

Lina’s mother’s dying wish was for Lina to get to know her father, which brings her to Tuscany, Italy. When she is given a journal her mom kept while living in Italy, Lina is transported to her mother’s teenage years. Uncovering a world of secret romances, art, and hidden bakeries, Lina is inspired to follow in her mother’s footsteps and discovers a secret that will change everything.

Sydney doesn’t want to go home to her neglectful film star mother, Lila, and Lila’s dangerous art dealer boyfriend, Jake. Sydney attracts attentions wherever she goes, and after a thrilling night that goes suddenly wrong, her loyalties are called into question. Follow one timeline which accounts a terrible crime surrounding Sydney, and another timeline in which the truth of what actually happened unfolds.

Kyle’s entire world upends when his girlfriend tragically dies in a car crash and he contracts a brain injury. No one understands but Marley, who is suffering from her own loss. When they cross paths, Kyle sees in her all the unspoken things he’s feeling. Until Kyle realizes things aren’t as they seem. How do multiple timelines play into this story, you may ask? You’ll just have to read to find out!