Hannah and Celeste have been best friends since they were eighteen, when they made a pact to spend every New Year's Eve together. From Dublin to London, the two are inseparable: that is, until tragedy strikes. When Celeste discovers a list of Hannah's New Year's Resolutions, she is determined to complete them. Little does she know that doing so will reunite her with someone from her past . . . Through Hannah's last wishes Celeste begins to fall in love with life again, one adventure at a time. But could the biggest adventure of all be falling in love again?