A recent widow, Lady Arabella Grey hires the young and unconventional Zandra Lancaster as governess to her children. Despite Zandra's impressive recommendations, Arabella is skeptical and unimpressed by Zandra's youth and artistic nature. But Zandra is brilliant with her daughters, and Arabella's inexplicably drawn to her.

Zandra harbors secret reasons for needing this position, and when she reciprocates their attraction, her feelings escalate. Impropriety abounds as she craves Arabella's company and increasingly intimate touch.

An extended trip to Manhattan with Arabella and the children changes everything. As they embark on the RMS Titanic's maiden voyage, their love is undeniable, but so is their course toward unforeseen danger, risking not only love but their very lives.