Cardiothoracic surgeon Zhou Yining encounters a low point in life, reuniting with her neighbor brother who has secretly loved her for many years, powerful CEO Jin Beichen. The two reach an agreement to start a low-profile secret marriage life. Jin Beichen guards her silently, helping her resolve workplace rights and wrongs and shielding her from disturbances. Zhou Yining gradually lowers her inner defenses. Having gone through ex entanglement, others' instigation, and family tests, they slowly give their true hearts to each other. With the arrival of a new life, the two's feelings grow increasingly solid. Under the storm, the marriage is made public, a relationship starting from an agreement, ultimately achieving a happy ending of a two-way rush towards each other.