Pampered by billionaires after being betrayed

Married for four years, Emily remained childless. A hospital diagnosis plunged her life into hell. Unable to conceive? But her husband was rarely home during these four years, so how could she get pregnant?
Emily and her billionaire husband were in a contractual marriage; she had hoped to win his love through effort. However, when her husband appeared with a pregnant woman, she despaired. After being kicked out, homeless Emily was taken in by a mysterious billionaire. Who was he? How did he know Emily? More importantly, Emily was pregnant.