14-year-old A.J. Knowlton is a typical teenager who loves her family but often finds herself irritated and embarrassed by them. She is consumed by entrepreneurial ideas and a strong desire to be popular, which blinds her to the impact of her actions on others. However, everything changes one fateful night when A.J. falls from a hayloft and is transported back in time to the year 1929. There, she encounters her own grandfather as a teenager and embarks on an incredible journey that grants her a newfound perspective and appreciation for her family. Split Infinity is a heartwarming tale that explores themes of self-discovery and the importance of familial bonds.