The husband's family moved into Su Wan's fully self-purchased bridal home without authorization, changed the door locks, seized the master bedroom, and even demanded she hand over her salary card. Her husband kept advising her to endure. After multiple compromises, Su Wan pulled out the property ownership certificate to defend her own rights and interests. The elder sister-in-law forged agreements and made improper intrusive actions. Su Wan collected complete evidence and safeguarded her rights through legal channels. Clarifying all disputes, Su Wan clarified the ownership of the house, established family interaction guidelines, and guarded the property and life belonging to herself.